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Longitudinal assessment of maternal echocardiographic changes in singleton versus twin pregnancies and their association with preeclampsia risk

Published Online: 2025-08-18

Published Print: 2025-10

Authors

Xiang, Qianqian

Wei, Yuan

Li, Zhaoping

Zhao, Yangyu https://orcid.org/0000-0002-2558-7122
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Text and Data Mining valid from 2025-08-18

Version of Record valid from 2025-08-18
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Article History

Received: 29 April 2025

Revised: 12 July 2025

Accepted: 31 July 2025

First Online: 18 August 2025

Compliance with ethical standards

:

: The authors declare no competing interests.

: This study was approved by the Peking University Third Hospital Ethics Committee (project no.: M2021415, September 24, 2021–September 24, 2022). Written informed consent was obtained from all participants.

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